NAME
Catalyst::Action::FromPSGI - Use a PSGI app as a Catalyst action
VERSION
version 0.001004
SYNOPSIS
First, you have a psgi app you wrote and want to use:
package MyApp::WS::App;
use Web::Simple;
has name => (
is => 'ro',
required => 1,
);
sub dispatch_request {
sub (/hi) {
[ 200,
[ 'Content-type' => 'text/plain' ],
[ 'Hello ' . $_[0]->name ]
]
},
}
1;
Now you want to reuse this app in a Catalyst action:
package MyApp::Controller::HelloName;
use base 'Catalyst::Controller';
sub say_hi :Path('/say_hi_to') ActionClass('FromPSGI') {
my ($self, $c, $name, @args) = @_;
MyApp::WS::App->new(name => $name)->to_psgi_app
}
1;
The above would yield 'Hello fREW' for the request to
"/say_hi_to/fREW/hi".
Of course the above example is contrived, but keep in mind this will
work for any of the myriad PSGI apps out there.
DESCRIPTION
"Catalyst::Action::FromPSGI" gives you a handy way to mount PSGI apps
under Catalyst actions.
Note that because Catalyst is in control of the dispatch cycle any
limitations you place on it will be placed on the PSGI app as well. So
for example:
sub foo : Path('/foo') Args(1) ActionClass('FromPSGI') { ... }
will never run the PSGI app if the url is "/foo/bar/baz" because the
Catalyst dispatcher won't even match for more than one argument. For
this reason I recommend leaving "Args" unspecified for "FromPSGI"
actions.
I actually made this because I'm interested in using Web::Machine
instead of Catalyst::Action::REST and possibly even replacing my
chaining code with Web::Simple based dispatching.
THANKS
Matt S. Trout - for pioneering the actual guts of this code. Stevan
Little - for porting Web::Machine, my motivation for making this.
AUTHOR
Arthur Axel "fREW" Schmidt
COPYRIGHT AND LICENSE
This software is copyright (c) 2013 by Arthur Axel "fREW" Schmidt.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.